<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Props</title>
  <script src="../vue.js"></script>
</head>
<body>
  <div id="app">
    <Child
      :title-content="['hello vue']"
      v-bind="$data"
      msg="haha"
      :age="age"
    ></Child>
    <button @click="age = 2">change age</button>
  </div>
  <script type="module">
    import './Child.js'
    new Vue({
      el: '#app',
      data: {
        x: 0,
        y: 1,
        age: 0
      },
      mounted() {
        // console.log(this)
      },
    })
  </script>
</body>
</html>